Pre-calculus Contents  C
Parametric Equations
Parametric equations definition
The parametric equations of a line
The direction of motion of a parametric curve
Evaluation of parametric equations for given values of the parameter
Sketching parametric curve
Eliminating the parameter from parametric equations
Parametric and rectangular forms of equations conversions
The parametric equations of a quadratic polynomial, parabola
The parametric equations of the parabola, whose axis of symmetry is parallel to the y-axis
The parametric equations of the parabola, whose axis of symmetry is parallel to the x-axis
The parametric equations of a circle

The parametric equations of a translated circle with center (x0, y0) and radius r
The parametric equations of an ellipse
The parametric equations of an ellipse centered at the origin
The parametric equations of a translated ellipse with center at (x0, y0)
Parametric equations of a hyperbola
The parametric equations of a hyperbola expressed by trigonometric functions
The parametric equations of a hyperbola expressed by hyperbolic functions
The definition of the hyperbolic functions
Relations between hyperbolic and trigonometric or circular functions
The parametric equations of the equilateral or rectangular hyperbola
The parametric equations of the general hyperbola
Use of parametric equations example
Trigonometric Functions Basics
Unit of measurement of angles - a radian (the circular measure)
The unit circle or the trigonometric circle
Definitions of trigonometric functions
Periodicity of trigonometric functions
Signs of trigonometric functions
0 to ± 2p
Trigonometric functions of negative arcs or angles
Trigonometric functions of complementary angles
Trigonometric functions of supplementary angles
p/2
p
2p
Trigonometric functions of angles lying on axes
p/6, p/4 and p/3
30° (p/6) and 45° (p/4)
Pre-calculus Contents